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<h1 class="epydoc">Source Code for <a href="sna.digraph.Cycles-module.html">Module sna.digraph.Cycles</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno">  1</tt>  <tt class="py-line"><tt class="py-comment"># -*- coding: latin-1 -*-</tt> </tt>
<a name="L2"></a><tt class="py-lineno">  2</tt>  <tt class="py-line"><tt class="py-comment"># Copyright (c) 2007-2009 Jorge Ortiz Romo &lt;jortizromo@gmail.com&gt;</tt> </tt>
<a name="L3"></a><tt class="py-lineno">  3</tt>  <tt class="py-line"><tt class="py-comment">#                         Freymam Vallejo Cuero &lt;freturn@gmail.com&gt;</tt> </tt>
<a name="L4"></a><tt class="py-lineno">  4</tt>  <tt class="py-line"><tt class="py-comment"># Permission is hereby granted, free of charge, to any person</tt> </tt>
<a name="L5"></a><tt class="py-lineno">  5</tt>  <tt class="py-line"><tt class="py-comment"># obtaining a copy of this software and associated documentation</tt> </tt>
<a name="L6"></a><tt class="py-lineno">  6</tt>  <tt class="py-line"><tt class="py-comment"># files (the "Software"), to deal in the Software without</tt> </tt>
<a name="L7"></a><tt class="py-lineno">  7</tt>  <tt class="py-line"><tt class="py-comment"># restriction, including without limitation the rights to use,</tt> </tt>
<a name="L8"></a><tt class="py-lineno">  8</tt>  <tt class="py-line"><tt class="py-comment"># copy, modify, merge, publish, distribute, sublicense, and/or sell</tt> </tt>
<a name="L9"></a><tt class="py-lineno">  9</tt>  <tt class="py-line"><tt class="py-comment"># copies of the Software, and to permit persons to whom the</tt> </tt>
<a name="L10"></a><tt class="py-lineno"> 10</tt>  <tt class="py-line"><tt class="py-comment"># Software is furnished to do so, subject to the following</tt> </tt>
<a name="L11"></a><tt class="py-lineno"> 11</tt>  <tt class="py-line"><tt class="py-comment"># conditions:</tt> </tt>
<a name="L12"></a><tt class="py-lineno"> 12</tt>  <tt class="py-line"> </tt>
<a name="L13"></a><tt class="py-lineno"> 13</tt>  <tt class="py-line"><tt class="py-comment"># The above copyright notice and this permission notice shall be</tt> </tt>
<a name="L14"></a><tt class="py-lineno"> 14</tt>  <tt class="py-line"><tt class="py-comment"># included in all copies or substantial portions of the Software.</tt> </tt>
<a name="L15"></a><tt class="py-lineno"> 15</tt>  <tt class="py-line"> </tt>
<a name="L16"></a><tt class="py-lineno"> 16</tt>  <tt class="py-line"><tt class="py-comment"># THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,</tt> </tt>
<a name="L17"></a><tt class="py-lineno"> 17</tt>  <tt class="py-line"><tt class="py-comment"># EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES</tt> </tt>
<a name="L18"></a><tt class="py-lineno"> 18</tt>  <tt class="py-line"><tt class="py-comment"># OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND</tt> </tt>
<a name="L19"></a><tt class="py-lineno"> 19</tt>  <tt class="py-line"><tt class="py-comment"># NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT</tt> </tt>
<a name="L20"></a><tt class="py-lineno"> 20</tt>  <tt class="py-line"><tt class="py-comment"># HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,</tt> </tt>
<a name="L21"></a><tt class="py-lineno"> 21</tt>  <tt class="py-line"><tt class="py-comment"># WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</tt> </tt>
<a name="L22"></a><tt class="py-lineno"> 22</tt>  <tt class="py-line"><tt class="py-comment"># FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR</tt> </tt>
<a name="L23"></a><tt class="py-lineno"> 23</tt>  <tt class="py-line"><tt class="py-comment"># OTHER DEALINGS IN THE SOFTWARE.</tt> </tt>
<a name="L24"></a><tt class="py-lineno"> 24</tt>  <tt class="py-line"><tt class="py-comment"># Import the module and instantiate a pygraph object</tt> </tt>
<a name="L25"></a><tt class="py-lineno"> 25</tt>  <tt class="py-line"> </tt>
<a name="L26"></a><tt class="py-lineno"> 26</tt>  <tt class="py-line"><tt class="py-docstring">'''</tt> </tt>
<a name="L27"></a><tt class="py-lineno"> 27</tt>  <tt class="py-line"><tt class="py-docstring">Created on Dec 7, 2009</tt> </tt>
<a name="L28"></a><tt class="py-lineno"> 28</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L29"></a><tt class="py-lineno"> 29</tt>  <tt class="py-line"><tt class="py-docstring">@author: Freymam Vallejo</tt> </tt>
<a name="L30"></a><tt class="py-lineno"> 30</tt>  <tt class="py-line"><tt class="py-docstring">@author: Jorge Ortiz</tt> </tt>
<a name="L31"></a><tt class="py-lineno"> 31</tt>  <tt class="py-line"><tt class="py-docstring">'''</tt> </tt>
<a name="L32"></a><tt class="py-lineno"> 32</tt>  <tt class="py-line"> </tt>
<a name="L33"></a><tt class="py-lineno"> 33</tt>  <tt class="py-line"><tt class="py-keyword">from</tt> <tt class="py-name">functools</tt> <tt class="py-keyword">import</tt> <tt class="py-name">reduce</tt> </tt>
<a name="L34"></a><tt class="py-lineno"> 34</tt>  <tt class="py-line"> </tt>
<a name="digraph_find_all_cycles_for_node"></a><div id="digraph_find_all_cycles_for_node-def"><a name="L35"></a><tt class="py-lineno"> 35</tt> <a class="py-toggle" href="#" id="digraph_find_all_cycles_for_node-toggle" onclick="return toggle('digraph_find_all_cycles_for_node');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="sna.digraph.Cycles-module.html#digraph_find_all_cycles_for_node">digraph_find_all_cycles_for_node</a><tt class="py-op">(</tt><tt class="py-param">graph</tt><tt class="py-op">,</tt> <tt class="py-param">start</tt><tt class="py-op">,</tt> <tt class="py-param">end</tt><tt class="py-op">,</tt> <tt class="py-param">iteration</tt><tt class="py-op">,</tt> <tt class="py-param">path</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="digraph_find_all_cycles_for_node-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="digraph_find_all_cycles_for_node-expanded"><a name="L36"></a><tt class="py-lineno"> 36</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L37"></a><tt class="py-lineno"> 37</tt>  <tt class="py-line"><tt class="py-docstring">    Find all cycles from start to same node</tt> </tt>
<a name="L38"></a><tt class="py-lineno"> 38</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L39"></a><tt class="py-lineno"> 39</tt>  <tt class="py-line"><tt class="py-docstring">    @type graph: graph, digraph.</tt> </tt>
<a name="L40"></a><tt class="py-lineno"> 40</tt>  <tt class="py-line"><tt class="py-docstring">    @param graph: graph, digraph.</tt> </tt>
<a name="L41"></a><tt class="py-lineno"> 41</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L42"></a><tt class="py-lineno"> 42</tt>  <tt class="py-line"><tt class="py-docstring">    @type start: node</tt> </tt>
<a name="L43"></a><tt class="py-lineno"> 43</tt>  <tt class="py-line"><tt class="py-docstring">    @param start: initial node on the path</tt> </tt>
<a name="L44"></a><tt class="py-lineno"> 44</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L45"></a><tt class="py-lineno"> 45</tt>  <tt class="py-line"><tt class="py-docstring">    @type end: node</tt> </tt>
<a name="L46"></a><tt class="py-lineno"> 46</tt>  <tt class="py-line"><tt class="py-docstring">    @param end: finish node on the path</tt> </tt>
<a name="L47"></a><tt class="py-lineno"> 47</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L48"></a><tt class="py-lineno"> 48</tt>  <tt class="py-line"><tt class="py-docstring">    @type path: list</tt> </tt>
<a name="L49"></a><tt class="py-lineno"> 49</tt>  <tt class="py-line"><tt class="py-docstring">    @param path: </tt> </tt>
<a name="L50"></a><tt class="py-lineno"> 50</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L51"></a><tt class="py-lineno"> 51</tt>  <tt class="py-line"><tt class="py-docstring">    @rtype: list.</tt> </tt>
<a name="L52"></a><tt class="py-lineno"> 52</tt>  <tt class="py-line"><tt class="py-docstring">    @return: list with all cycles from start to same node.</tt> </tt>
<a name="L53"></a><tt class="py-lineno"> 53</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L54"></a><tt class="py-lineno"> 54</tt>  <tt class="py-line"> </tt>
<a name="L55"></a><tt class="py-lineno"> 55</tt>  <tt class="py-line">     </tt>
<a name="L56"></a><tt class="py-lineno"> 56</tt>  <tt class="py-line">    <tt class="py-name">path</tt> <tt class="py-op">=</tt> <tt class="py-name">path</tt> <tt class="py-op">+</tt> <tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt> </tt>
<a name="L57"></a><tt class="py-lineno"> 57</tt>  <tt class="py-line"> </tt>
<a name="L58"></a><tt class="py-lineno"> 58</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">start</tt> <tt class="py-op">==</tt> <tt class="py-name">end</tt> <tt class="py-keyword">and</tt> <tt class="py-name">iteration</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
<a name="L59"></a><tt class="py-lineno"> 59</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-op">[</tt><tt class="py-name">path</tt><tt class="py-op">]</tt> </tt>
<a name="L60"></a><tt class="py-lineno"> 60</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">graph</tt><tt class="py-op">.</tt><tt class="py-name">has_node</tt><tt class="py-op">(</tt><tt class="py-name">start</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L61"></a><tt class="py-lineno"> 61</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L62"></a><tt class="py-lineno"> 62</tt>  <tt class="py-line">    <tt class="py-name">paths</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L63"></a><tt class="py-lineno"> 63</tt>  <tt class="py-line">     </tt>
<a name="L64"></a><tt class="py-lineno"> 64</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">node</tt> <tt class="py-keyword">in</tt> <tt class="py-name">graph</tt><tt class="py-op">.</tt><tt class="py-name">neighbors</tt><tt class="py-op">(</tt><tt class="py-name">start</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L65"></a><tt class="py-lineno"> 65</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">node</tt> <tt class="py-keyword">not</tt> <tt class="py-keyword">in</tt> <tt class="py-name">path</tt> <tt class="py-keyword">or</tt> <tt class="py-name">node</tt> <tt class="py-op">==</tt> <tt class="py-name">path</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L66"></a><tt class="py-lineno"> 66</tt>  <tt class="py-line">            <tt class="py-name">newpaths</tt> <tt class="py-op">=</tt> <tt id="link-0" class="py-name" targets="Function sna.digraph.Cycles.digraph_find_all_cycles_for_node()=sna.digraph.Cycles-module.html#digraph_find_all_cycles_for_node"><a title="sna.digraph.Cycles.digraph_find_all_cycles_for_node" class="py-name" href="#" onclick="return doclink('link-0', 'digraph_find_all_cycles_for_node', 'link-0');">digraph_find_all_cycles_for_node</a></tt><tt class="py-op">(</tt><tt class="py-name">graph</tt><tt class="py-op">,</tt> <tt class="py-name">node</tt><tt class="py-op">,</tt> <tt class="py-name">end</tt><tt class="py-op">,</tt> <tt class="py-name">iteration</tt> <tt class="py-op">+</tt> <tt class="py-number">1</tt><tt class="py-op">,</tt> <tt class="py-name">path</tt><tt class="py-op">)</tt> </tt>
<a name="L67"></a><tt class="py-lineno"> 67</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">newpath</tt> <tt class="py-keyword">in</tt> <tt class="py-name">newpaths</tt><tt class="py-op">:</tt> </tt>
<a name="L68"></a><tt class="py-lineno"> 68</tt>  <tt class="py-line">                <tt class="py-name">paths</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">newpath</tt><tt class="py-op">)</tt> </tt>
<a name="L69"></a><tt class="py-lineno"> 69</tt>  <tt class="py-line">         </tt>
<a name="L70"></a><tt class="py-lineno"> 70</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">paths</tt> </tt>
</div><a name="L71"></a><tt class="py-lineno"> 71</tt>  <tt class="py-line"> </tt>
<a name="digraph_find_all_semicycles_for_node"></a><div id="digraph_find_all_semicycles_for_node-def"><a name="L72"></a><tt class="py-lineno"> 72</tt> <a class="py-toggle" href="#" id="digraph_find_all_semicycles_for_node-toggle" onclick="return toggle('digraph_find_all_semicycles_for_node');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="sna.digraph.Cycles-module.html#digraph_find_all_semicycles_for_node">digraph_find_all_semicycles_for_node</a><tt class="py-op">(</tt><tt class="py-param">graph</tt><tt class="py-op">,</tt> <tt class="py-param">start</tt><tt class="py-op">,</tt> <tt class="py-param">end</tt><tt class="py-op">,</tt> <tt class="py-param">iteration</tt><tt class="py-op">,</tt> <tt class="py-param">path</tt><tt class="py-op">=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="digraph_find_all_semicycles_for_node-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="digraph_find_all_semicycles_for_node-expanded"><a name="L73"></a><tt class="py-lineno"> 73</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L74"></a><tt class="py-lineno"> 74</tt>  <tt class="py-line"><tt class="py-docstring">    Find all cycles from start to same node</tt> </tt>
<a name="L75"></a><tt class="py-lineno"> 75</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L76"></a><tt class="py-lineno"> 76</tt>  <tt class="py-line"><tt class="py-docstring">    @type graph: graph, digraph.</tt> </tt>
<a name="L77"></a><tt class="py-lineno"> 77</tt>  <tt class="py-line"><tt class="py-docstring">    @param graph: graph, digraph.</tt> </tt>
<a name="L78"></a><tt class="py-lineno"> 78</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L79"></a><tt class="py-lineno"> 79</tt>  <tt class="py-line"><tt class="py-docstring">    @type start: node</tt> </tt>
<a name="L80"></a><tt class="py-lineno"> 80</tt>  <tt class="py-line"><tt class="py-docstring">    @param start: initial node on the path</tt> </tt>
<a name="L81"></a><tt class="py-lineno"> 81</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L82"></a><tt class="py-lineno"> 82</tt>  <tt class="py-line"><tt class="py-docstring">    @type end: node</tt> </tt>
<a name="L83"></a><tt class="py-lineno"> 83</tt>  <tt class="py-line"><tt class="py-docstring">    @param end: finish node on the path</tt> </tt>
<a name="L84"></a><tt class="py-lineno"> 84</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L85"></a><tt class="py-lineno"> 85</tt>  <tt class="py-line"><tt class="py-docstring">    @type path: list</tt> </tt>
<a name="L86"></a><tt class="py-lineno"> 86</tt>  <tt class="py-line"><tt class="py-docstring">    @param path: used in internal computes</tt> </tt>
<a name="L87"></a><tt class="py-lineno"> 87</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L88"></a><tt class="py-lineno"> 88</tt>  <tt class="py-line"><tt class="py-docstring">    @rtype: list.</tt> </tt>
<a name="L89"></a><tt class="py-lineno"> 89</tt>  <tt class="py-line"><tt class="py-docstring">    @return: list with all cycles from start to same node.</tt> </tt>
<a name="L90"></a><tt class="py-lineno"> 90</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L91"></a><tt class="py-lineno"> 91</tt>  <tt class="py-line"> </tt>
<a name="L92"></a><tt class="py-lineno"> 92</tt>  <tt class="py-line">     </tt>
<a name="L93"></a><tt class="py-lineno"> 93</tt>  <tt class="py-line">    <tt class="py-name">path</tt> <tt class="py-op">=</tt> <tt class="py-name">path</tt> <tt class="py-op">+</tt> <tt class="py-op">[</tt><tt class="py-name">start</tt><tt class="py-op">]</tt> </tt>
<a name="L94"></a><tt class="py-lineno"> 94</tt>  <tt class="py-line"> </tt>
<a name="L95"></a><tt class="py-lineno"> 95</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">start</tt> <tt class="py-op">==</tt> <tt class="py-name">end</tt> <tt class="py-keyword">and</tt> <tt class="py-name">iteration</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
<a name="L96"></a><tt class="py-lineno"> 96</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-op">[</tt><tt class="py-name">path</tt><tt class="py-op">]</tt> </tt>
<a name="L97"></a><tt class="py-lineno"> 97</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-name">graph</tt><tt class="py-op">.</tt><tt class="py-name">has_node</tt><tt class="py-op">(</tt><tt class="py-name">start</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L98"></a><tt class="py-lineno"> 98</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L99"></a><tt class="py-lineno"> 99</tt>  <tt class="py-line">    <tt class="py-name">paths</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L100"></a><tt class="py-lineno">100</tt>  <tt class="py-line"> </tt>
<a name="L101"></a><tt class="py-lineno">101</tt>  <tt class="py-line">    <tt class="py-name">nodes</tt> <tt class="py-op">=</tt> <tt class="py-name">graph</tt><tt class="py-op">.</tt><tt class="py-name">neighbors</tt><tt class="py-op">(</tt><tt class="py-name">start</tt><tt class="py-op">)</tt> </tt>
<a name="L102"></a><tt class="py-lineno">102</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">iteration</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">1</tt><tt class="py-op">:</tt> </tt>
<a name="L103"></a><tt class="py-lineno">103</tt>  <tt class="py-line">        <tt class="py-name">nodes</tt> <tt class="py-op">=</tt> <tt class="py-name">nodes</tt> <tt class="py-op">+</tt> <tt class="py-name">graph</tt><tt class="py-op">.</tt><tt class="py-name">incidents</tt><tt class="py-op">(</tt><tt class="py-name">start</tt><tt class="py-op">)</tt> </tt>
<a name="L104"></a><tt class="py-lineno">104</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">node</tt> <tt class="py-keyword">in</tt> <tt class="py-name">nodes</tt><tt class="py-op">:</tt> </tt>
<a name="L105"></a><tt class="py-lineno">105</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">node</tt> <tt class="py-keyword">not</tt> <tt class="py-keyword">in</tt> <tt class="py-name">path</tt> <tt class="py-keyword">or</tt> <tt class="py-name">node</tt> <tt class="py-op">==</tt> <tt class="py-name">path</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L106"></a><tt class="py-lineno">106</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">iteration</tt> <tt class="py-op">==</tt> <tt class="py-number">2</tt> <tt class="py-keyword">and</tt> <tt class="py-name">node</tt> <tt class="py-op">==</tt> <tt class="py-name">path</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-keyword">and</tt> <tt class="py-name">node</tt> <tt class="py-keyword">not</tt> <tt class="py-keyword">in</tt> <tt class="py-name">graph</tt><tt class="py-op">.</tt><tt class="py-name">neighbors</tt><tt class="py-op">(</tt><tt class="py-name">start</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L107"></a><tt class="py-lineno">107</tt>  <tt class="py-line">                <tt class="py-keyword">break</tt> </tt>
<a name="L108"></a><tt class="py-lineno">108</tt>  <tt class="py-line">            <tt class="py-name">newpaths</tt> <tt class="py-op">=</tt> <tt id="link-1" class="py-name" targets="Function sna.digraph.Cycles.digraph_find_all_semicycles_for_node()=sna.digraph.Cycles-module.html#digraph_find_all_semicycles_for_node"><a title="sna.digraph.Cycles.digraph_find_all_semicycles_for_node" class="py-name" href="#" onclick="return doclink('link-1', 'digraph_find_all_semicycles_for_node', 'link-1');">digraph_find_all_semicycles_for_node</a></tt><tt class="py-op">(</tt><tt class="py-name">graph</tt><tt class="py-op">,</tt> <tt class="py-name">node</tt><tt class="py-op">,</tt> <tt class="py-name">end</tt><tt class="py-op">,</tt> <tt class="py-name">iteration</tt> <tt class="py-op">+</tt> <tt class="py-number">1</tt><tt class="py-op">,</tt> <tt class="py-name">path</tt><tt class="py-op">)</tt> </tt>
<a name="L109"></a><tt class="py-lineno">109</tt>  <tt class="py-line">            <tt class="py-keyword">for</tt> <tt class="py-name">newpath</tt> <tt class="py-keyword">in</tt> <tt class="py-name">newpaths</tt><tt class="py-op">:</tt> </tt>
<a name="L110"></a><tt class="py-lineno">110</tt>  <tt class="py-line">                <tt class="py-name">paths</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">newpath</tt><tt class="py-op">)</tt> </tt>
<a name="L111"></a><tt class="py-lineno">111</tt>  <tt class="py-line">         </tt>
<a name="L112"></a><tt class="py-lineno">112</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">paths</tt> </tt>
</div><a name="L113"></a><tt class="py-lineno">113</tt>  <tt class="py-line"> </tt>
<a name="digraph_is_Equal_cycle"></a><div id="digraph_is_Equal_cycle-def"><a name="L114"></a><tt class="py-lineno">114</tt> <a class="py-toggle" href="#" id="digraph_is_Equal_cycle-toggle" onclick="return toggle('digraph_is_Equal_cycle');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="sna.digraph.Cycles-module.html#digraph_is_Equal_cycle">digraph_is_Equal_cycle</a><tt class="py-op">(</tt><tt class="py-param">cycle1</tt><tt class="py-op">,</tt> <tt class="py-param">cycle2</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="digraph_is_Equal_cycle-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="digraph_is_Equal_cycle-expanded"><a name="L115"></a><tt class="py-lineno">115</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L116"></a><tt class="py-lineno">116</tt>  <tt class="py-line"><tt class="py-docstring">    Find if two cycles are equal.</tt> </tt>
<a name="L117"></a><tt class="py-lineno">117</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L118"></a><tt class="py-lineno">118</tt>  <tt class="py-line"><tt class="py-docstring">    @type cycle1: list.</tt> </tt>
<a name="L119"></a><tt class="py-lineno">119</tt>  <tt class="py-line"><tt class="py-docstring">    @param cycle1: list of nodes.</tt> </tt>
<a name="L120"></a><tt class="py-lineno">120</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L121"></a><tt class="py-lineno">121</tt>  <tt class="py-line"><tt class="py-docstring">    @type cycle2: list.</tt> </tt>
<a name="L122"></a><tt class="py-lineno">122</tt>  <tt class="py-line"><tt class="py-docstring">    @param cycle2: list of nodes.</tt> </tt>
<a name="L123"></a><tt class="py-lineno">123</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L124"></a><tt class="py-lineno">124</tt>  <tt class="py-line"><tt class="py-docstring">    @rtype: bool.</tt> </tt>
<a name="L125"></a><tt class="py-lineno">125</tt>  <tt class="py-line"><tt class="py-docstring">    @return: it is True if cycles are equals.</tt> </tt>
<a name="L126"></a><tt class="py-lineno">126</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L127"></a><tt class="py-lineno">127</tt>  <tt class="py-line">    <tt class="py-name">cycle_len</tt> <tt class="py-op">=</tt> <tt class="py-name">cycle1</tt><tt class="py-op">.</tt><tt class="py-name">__len__</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L128"></a><tt class="py-lineno">128</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">cycle_len</tt> <tt class="py-op">!=</tt> <tt class="py-name">cycle2</tt><tt class="py-op">.</tt><tt class="py-name">__len__</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt> <tt class="py-name">cycle_len</tt> <tt class="py-op">&lt;</tt> <tt class="py-number">3</tt><tt class="py-op">:</tt> </tt>
<a name="L129"></a><tt class="py-lineno">129</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">False</tt> </tt>
<a name="L130"></a><tt class="py-lineno">130</tt>  <tt class="py-line"> </tt>
<a name="L131"></a><tt class="py-lineno">131</tt>  <tt class="py-line">    <tt class="py-name">cycle1</tt><tt class="py-op">.</tt><tt class="py-name">pop</tt><tt class="py-op">(</tt><tt class="py-number">0</tt><tt class="py-op">)</tt> </tt>
<a name="L132"></a><tt class="py-lineno">132</tt>  <tt class="py-line">    <tt class="py-name">cycle2</tt><tt class="py-op">.</tt><tt class="py-name">pop</tt><tt class="py-op">(</tt><tt class="py-number">0</tt><tt class="py-op">)</tt> </tt>
<a name="L133"></a><tt class="py-lineno">133</tt>  <tt class="py-line"> </tt>
<a name="L134"></a><tt class="py-lineno">134</tt>  <tt class="py-line">    <tt class="py-name">i</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L135"></a><tt class="py-lineno">135</tt>  <tt class="py-line">    <tt class="py-keyword">while</tt> <tt class="py-name">cycle1</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-op">!=</tt> <tt class="py-name">cycle2</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-keyword">and</tt> <tt class="py-name">i</tt> <tt class="py-op">&lt;</tt> <tt class="py-name">cycle_len</tt><tt class="py-op">:</tt> </tt>
<a name="L136"></a><tt class="py-lineno">136</tt>  <tt class="py-line">        <tt class="py-name">cycle2</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">cycle2</tt><tt class="py-op">.</tt><tt class="py-name">pop</tt><tt class="py-op">(</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L137"></a><tt class="py-lineno">137</tt>  <tt class="py-line">        <tt class="py-name">i</tt> <tt class="py-op">+=</tt>  <tt class="py-number">1</tt> </tt>
<a name="L138"></a><tt class="py-lineno">138</tt>  <tt class="py-line">    <tt class="py-keyword">if</tt> <tt class="py-name">cycle1</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt> <tt class="py-op">!=</tt> <tt class="py-name">cycle2</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">:</tt> </tt>
<a name="L139"></a><tt class="py-lineno">139</tt>  <tt class="py-line">        <tt class="py-name">cycle1</tt> <tt class="py-op">=</tt> <tt class="py-name">cycle1</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">cycle1</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L140"></a><tt class="py-lineno">140</tt>  <tt class="py-line">        <tt class="py-name">cycle2</tt> <tt class="py-op">=</tt> <tt class="py-name">cycle2</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">cycle2</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L141"></a><tt class="py-lineno">141</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-name">False</tt> </tt>
<a name="L142"></a><tt class="py-lineno">142</tt>  <tt class="py-line"> </tt>
<a name="L143"></a><tt class="py-lineno">143</tt>  <tt class="py-line">    <tt class="py-name">equal</tt> <tt class="py-op">=</tt> <tt class="py-name">cycle1</tt> <tt class="py-op">==</tt> <tt class="py-name">cycle2</tt> </tt>
<a name="L144"></a><tt class="py-lineno">144</tt>  <tt class="py-line">    <tt class="py-name">cycle1</tt> <tt class="py-op">=</tt> <tt class="py-name">cycle1</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">cycle1</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L145"></a><tt class="py-lineno">145</tt>  <tt class="py-line">    <tt class="py-name">cycle2</tt> <tt class="py-op">=</tt> <tt class="py-name">cycle2</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">cycle2</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L146"></a><tt class="py-lineno">146</tt>  <tt class="py-line"> </tt>
<a name="L147"></a><tt class="py-lineno">147</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">equal</tt> </tt>
</div><a name="L148"></a><tt class="py-lineno">148</tt>  <tt class="py-line">         </tt>
<a name="L149"></a><tt class="py-lineno">149</tt>  <tt class="py-line"> </tt>
<a name="digraph_find_all_cycles"></a><div id="digraph_find_all_cycles-def"><a name="L150"></a><tt class="py-lineno">150</tt> <a class="py-toggle" href="#" id="digraph_find_all_cycles-toggle" onclick="return toggle('digraph_find_all_cycles');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="sna.digraph.Cycles-module.html#digraph_find_all_cycles">digraph_find_all_cycles</a><tt class="py-op">(</tt><tt class="py-param">graph</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="digraph_find_all_cycles-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="digraph_find_all_cycles-expanded"><a name="L151"></a><tt class="py-lineno">151</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L152"></a><tt class="py-lineno">152</tt>  <tt class="py-line"><tt class="py-docstring">    Find all cycles from start to same node</tt> </tt>
<a name="L153"></a><tt class="py-lineno">153</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L154"></a><tt class="py-lineno">154</tt>  <tt class="py-line"><tt class="py-docstring">    @type graph: graph, digraph.</tt> </tt>
<a name="L155"></a><tt class="py-lineno">155</tt>  <tt class="py-line"><tt class="py-docstring">    @param graph: graph, DiGraph.</tt> </tt>
<a name="L156"></a><tt class="py-lineno">156</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L157"></a><tt class="py-lineno">157</tt>  <tt class="py-line"><tt class="py-docstring">    @rtype: list.</tt> </tt>
<a name="L158"></a><tt class="py-lineno">158</tt>  <tt class="py-line"><tt class="py-docstring">    @return: list with all cycles from start to same node.</tt> </tt>
<a name="L159"></a><tt class="py-lineno">159</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L160"></a><tt class="py-lineno">160</tt>  <tt class="py-line"> </tt>
<a name="L161"></a><tt class="py-lineno">161</tt>  <tt class="py-line">    <tt class="py-name">cycles</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L162"></a><tt class="py-lineno">162</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">node</tt> <tt class="py-keyword">in</tt> <tt class="py-name">graph</tt><tt class="py-op">:</tt> </tt>
<a name="L163"></a><tt class="py-lineno">163</tt>  <tt class="py-line">        <tt class="py-name">cycles_nodal</tt> <tt class="py-op">=</tt> <tt id="link-2" class="py-name"><a title="sna.digraph.Cycles.digraph_find_all_cycles_for_node" class="py-name" href="#" onclick="return doclink('link-2', 'digraph_find_all_cycles_for_node', 'link-0');">digraph_find_all_cycles_for_node</a></tt><tt class="py-op">(</tt><tt class="py-name">graph</tt><tt class="py-op">,</tt> <tt class="py-name">node</tt><tt class="py-op">,</tt> <tt class="py-name">node</tt><tt class="py-op">,</tt> <tt class="py-number">1</tt><tt class="py-op">)</tt> </tt>
<a name="L164"></a><tt class="py-lineno">164</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">cycle</tt> <tt class="py-keyword">in</tt> <tt class="py-name">cycles_nodal</tt><tt class="py-op">:</tt> </tt>
<a name="L165"></a><tt class="py-lineno">165</tt>  <tt class="py-line">            <tt class="py-name">cycles</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">cycle</tt><tt class="py-op">)</tt> </tt>
<a name="L166"></a><tt class="py-lineno">166</tt>  <tt class="py-line"> </tt>
<a name="L167"></a><tt class="py-lineno">167</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">i</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">cycles</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L168"></a><tt class="py-lineno">168</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">j</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt><tt class="py-name">i</tt><tt class="py-op">,</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">cycles</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L169"></a><tt class="py-lineno">169</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">i</tt><tt class="py-op">!=</tt><tt class="py-name">j</tt> <tt class="py-keyword">and</tt> <tt id="link-3" class="py-name" targets="Function sna.digraph.Cycles.digraph_is_Equal_cycle()=sna.digraph.Cycles-module.html#digraph_is_Equal_cycle"><a title="sna.digraph.Cycles.digraph_is_Equal_cycle" class="py-name" href="#" onclick="return doclink('link-3', 'digraph_is_Equal_cycle', 'link-3');">digraph_is_Equal_cycle</a></tt><tt class="py-op">(</tt><tt class="py-name">cycles</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-name">cycles</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L170"></a><tt class="py-lineno">170</tt>  <tt class="py-line">                <tt class="py-name">cycles</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L171"></a><tt class="py-lineno">171</tt>  <tt class="py-line"> </tt>
<a name="L172"></a><tt class="py-lineno">172</tt>  <tt class="py-line">    <tt class="py-name">cycles</tt> <tt class="py-op">=</tt> <tt class="py-name">list</tt><tt class="py-op">(</tt> <tt class="py-name">filter</tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">x</tt><tt class="py-op">:</tt> <tt class="py-name">x</tt><tt class="py-op">!=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-name">cycles</tt><tt class="py-op">)</tt> <tt class="py-op">)</tt> </tt>
<a name="L173"></a><tt class="py-lineno">173</tt>  <tt class="py-line"> </tt>
<a name="L174"></a><tt class="py-lineno">174</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">cycles</tt> </tt>
</div><a name="L175"></a><tt class="py-lineno">175</tt>  <tt class="py-line"> </tt>
<a name="digraph_find_all_semicycles"></a><div id="digraph_find_all_semicycles-def"><a name="L176"></a><tt class="py-lineno">176</tt> <a class="py-toggle" href="#" id="digraph_find_all_semicycles-toggle" onclick="return toggle('digraph_find_all_semicycles');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="sna.digraph.Cycles-module.html#digraph_find_all_semicycles">digraph_find_all_semicycles</a><tt class="py-op">(</tt><tt class="py-param">graph</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="digraph_find_all_semicycles-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="digraph_find_all_semicycles-expanded"><a name="L177"></a><tt class="py-lineno">177</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L178"></a><tt class="py-lineno">178</tt>  <tt class="py-line"><tt class="py-docstring">    Find all cycles from start to same node</tt> </tt>
<a name="L179"></a><tt class="py-lineno">179</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L180"></a><tt class="py-lineno">180</tt>  <tt class="py-line"><tt class="py-docstring">    @type graph: graph, digraph.</tt> </tt>
<a name="L181"></a><tt class="py-lineno">181</tt>  <tt class="py-line"><tt class="py-docstring">    @param graph: graph, DiGraph.</tt> </tt>
<a name="L182"></a><tt class="py-lineno">182</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L183"></a><tt class="py-lineno">183</tt>  <tt class="py-line"><tt class="py-docstring">    @rtype: list.</tt> </tt>
<a name="L184"></a><tt class="py-lineno">184</tt>  <tt class="py-line"><tt class="py-docstring">    @return: list with all cycles from start to same node.</tt> </tt>
<a name="L185"></a><tt class="py-lineno">185</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L186"></a><tt class="py-lineno">186</tt>  <tt class="py-line"> </tt>
<a name="L187"></a><tt class="py-lineno">187</tt>  <tt class="py-line">    <tt class="py-name">cycles</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L188"></a><tt class="py-lineno">188</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">node</tt> <tt class="py-keyword">in</tt> <tt class="py-name">graph</tt><tt class="py-op">:</tt> </tt>
<a name="L189"></a><tt class="py-lineno">189</tt>  <tt class="py-line">        <tt class="py-name">cycles_nodal</tt> <tt class="py-op">=</tt> <tt id="link-4" class="py-name"><a title="sna.digraph.Cycles.digraph_find_all_semicycles_for_node" class="py-name" href="#" onclick="return doclink('link-4', 'digraph_find_all_semicycles_for_node', 'link-1');">digraph_find_all_semicycles_for_node</a></tt><tt class="py-op">(</tt><tt class="py-name">graph</tt><tt class="py-op">,</tt> <tt class="py-name">node</tt><tt class="py-op">,</tt> <tt class="py-name">node</tt><tt class="py-op">,</tt> <tt class="py-number">1</tt><tt class="py-op">)</tt> </tt>
<a name="L190"></a><tt class="py-lineno">190</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">cycle</tt> <tt class="py-keyword">in</tt> <tt class="py-name">cycles_nodal</tt><tt class="py-op">:</tt> </tt>
<a name="L191"></a><tt class="py-lineno">191</tt>  <tt class="py-line">            <tt class="py-name">cycles</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt class="py-name">cycle</tt><tt class="py-op">)</tt> </tt>
<a name="L192"></a><tt class="py-lineno">192</tt>  <tt class="py-line"> </tt>
<a name="L193"></a><tt class="py-lineno">193</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">i</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt><tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">cycles</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L194"></a><tt class="py-lineno">194</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">j</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt><tt class="py-name">i</tt><tt class="py-op">,</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt><tt class="py-name">cycles</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L195"></a><tt class="py-lineno">195</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">i</tt><tt class="py-op">!=</tt><tt class="py-name">j</tt> <tt class="py-keyword">and</tt> <tt id="link-5" class="py-name"><a title="sna.digraph.Cycles.digraph_is_Equal_cycle" class="py-name" href="#" onclick="return doclink('link-5', 'digraph_is_Equal_cycle', 'link-3');">digraph_is_Equal_cycle</a></tt><tt class="py-op">(</tt><tt class="py-name">cycles</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-name">cycles</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L196"></a><tt class="py-lineno">196</tt>  <tt class="py-line">                <tt class="py-name">cycles</tt><tt class="py-op">[</tt><tt class="py-name">j</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L197"></a><tt class="py-lineno">197</tt>  <tt class="py-line"> </tt>
<a name="L198"></a><tt class="py-lineno">198</tt>  <tt class="py-line">    <tt class="py-name">cycles</tt> <tt class="py-op">=</tt> <tt class="py-name">list</tt><tt class="py-op">(</tt> <tt class="py-name">filter</tt><tt class="py-op">(</tt><tt class="py-keyword">lambda</tt> <tt class="py-name">x</tt><tt class="py-op">:</tt> <tt class="py-name">x</tt><tt class="py-op">!=</tt><tt class="py-op">[</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-name">cycles</tt><tt class="py-op">)</tt> <tt class="py-op">)</tt> </tt>
<a name="L199"></a><tt class="py-lineno">199</tt>  <tt class="py-line"> </tt>
<a name="L200"></a><tt class="py-lineno">200</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">cycles</tt> </tt>
</div><a name="L201"></a><tt class="py-lineno">201</tt>  <tt class="py-line"> </tt>
<a name="L202"></a><tt class="py-lineno">202</tt>  <tt class="py-line"> </tt>
<a name="digraph_find_all_signed_cycles"></a><div id="digraph_find_all_signed_cycles-def"><a name="L203"></a><tt class="py-lineno">203</tt> <a class="py-toggle" href="#" id="digraph_find_all_signed_cycles-toggle" onclick="return toggle('digraph_find_all_signed_cycles');">-</a><tt class="py-line"><tt class="py-keyword">def</tt> <a class="py-def-name" href="sna.digraph.Cycles-module.html#digraph_find_all_signed_cycles">digraph_find_all_signed_cycles</a><tt class="py-op">(</tt><tt class="py-param">digraph</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="digraph_find_all_signed_cycles-collapsed" style="display:none;" pad="+++" indent="++++"></div><div id="digraph_find_all_signed_cycles-expanded"><a name="L204"></a><tt class="py-lineno">204</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L205"></a><tt class="py-lineno">205</tt>  <tt class="py-line"><tt class="py-docstring">    Find all cycles from start to same node including the relationship weights.</tt> </tt>
<a name="L206"></a><tt class="py-lineno">206</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L207"></a><tt class="py-lineno">207</tt>  <tt class="py-line"><tt class="py-docstring">    @type graph: graph, digraph.</tt> </tt>
<a name="L208"></a><tt class="py-lineno">208</tt>  <tt class="py-line"><tt class="py-docstring">    @param graph: graph, DiGraph.</tt> </tt>
<a name="L209"></a><tt class="py-lineno">209</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L210"></a><tt class="py-lineno">210</tt>  <tt class="py-line"><tt class="py-docstring">    @rtype: list.</tt> </tt>
<a name="L211"></a><tt class="py-lineno">211</tt>  <tt class="py-line"><tt class="py-docstring">    @return: list with all cycles from start to same node.</tt> </tt>
<a name="L212"></a><tt class="py-lineno">212</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L213"></a><tt class="py-lineno">213</tt>  <tt class="py-line">     </tt>
<a name="L214"></a><tt class="py-lineno">214</tt>  <tt class="py-line">    <tt class="py-name">cycles</tt> <tt class="py-op">=</tt> <tt id="link-6" class="py-name" targets="Function sna.digraph.Cycles.digraph_find_all_semicycles()=sna.digraph.Cycles-module.html#digraph_find_all_semicycles"><a title="sna.digraph.Cycles.digraph_find_all_semicycles" class="py-name" href="#" onclick="return doclink('link-6', 'digraph_find_all_semicycles', 'link-6');">digraph_find_all_semicycles</a></tt><tt class="py-op">(</tt><tt class="py-name">digraph</tt><tt class="py-op">)</tt> </tt>
<a name="L215"></a><tt class="py-lineno">215</tt>  <tt class="py-line">     </tt>
<a name="L216"></a><tt class="py-lineno">216</tt>  <tt class="py-line">    <tt class="py-name">weighted_cycles</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L217"></a><tt class="py-lineno">217</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">cycle</tt> <tt class="py-keyword">in</tt> <tt class="py-name">cycles</tt><tt class="py-op">:</tt> </tt>
<a name="L218"></a><tt class="py-lineno">218</tt>  <tt class="py-line">        <tt class="py-name">weights</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L219"></a><tt class="py-lineno">219</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">i</tt> <tt class="py-keyword">in</tt> <tt class="py-name">range</tt><tt class="py-op">(</tt> <tt class="py-name">len</tt><tt class="py-op">(</tt> <tt class="py-name">cycle</tt><tt class="py-op">)</tt> <tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L220"></a><tt class="py-lineno">220</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">digraph</tt><tt class="py-op">.</tt><tt class="py-name">has_edge</tt> <tt class="py-op">(</tt><tt class="py-name">cycle</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-name">cycle</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">+</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L221"></a><tt class="py-lineno">221</tt>  <tt class="py-line">                <tt class="py-name">weights</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt> <tt class="py-name">digraph</tt><tt class="py-op">.</tt><tt class="py-name">edge_weight</tt> <tt class="py-op">(</tt><tt class="py-name">cycle</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-name">cycle</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">+</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L222"></a><tt class="py-lineno">222</tt>  <tt class="py-line">            <tt class="py-keyword">elif</tt> <tt class="py-name">digraph</tt><tt class="py-op">.</tt><tt class="py-name">has_edge</tt> <tt class="py-op">(</tt><tt class="py-name">cycle</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">+</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-name">cycle</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L223"></a><tt class="py-lineno">223</tt>  <tt class="py-line">                <tt class="py-name">weights</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt> <tt class="py-name">digraph</tt><tt class="py-op">.</tt><tt class="py-name">edge_weight</tt> <tt class="py-op">(</tt><tt class="py-name">cycle</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">+</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-name">cycle</tt><tt class="py-op">[</tt><tt class="py-name">i</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L224"></a><tt class="py-lineno">224</tt>  <tt class="py-line">        <tt class="py-name">weighted_cycles</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt> <tt class="py-op">(</tt> <tt class="py-name">cycle</tt><tt class="py-op">,</tt> <tt class="py-name">reduce</tt><tt class="py-op">(</tt> <tt class="py-keyword">lambda</tt> <tt class="py-name">x</tt><tt class="py-op">,</tt> <tt class="py-name">y</tt><tt class="py-op">:</tt> <tt class="py-name">x</tt><tt class="py-op">*</tt><tt class="py-name">y</tt><tt class="py-op">,</tt> <tt class="py-name">weights</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> <tt class="py-op">)</tt> </tt>
<a name="L225"></a><tt class="py-lineno">225</tt>  <tt class="py-line"> </tt>
<a name="L226"></a><tt class="py-lineno">226</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">weighted_cycles</tt> </tt>
</div><a name="L227"></a><tt class="py-lineno">227</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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